Electricity and Magnetism Review

What would increase the strength of an electromagnet?

• Increasing the amount of current flowing through the wire.
• Inserting a wooden core inside the coil
• Changing the direction of the current
• Decreasing the number of coils of wire

If you wrap more coils around an electromagnet, it will become...

• brighter
• stronger
• weaker
• invisible

Tags

NGSS.MS-PS2-3

A circuit made of wires, a lamp, a switch, and a cell is shown at the right. What change is needed for the lamp to glow? 

• The switch needs to be opened.
• The switch needs to be closed.
• The cell needs an insulator.
• The wire needs to be connected to the bottom of the cell.

Tags

NGSS.4-PS3-2

A conductor is a

• material that does not allow electrons to flow easily.
• material that allows electrons to flow easily.
• device the detects an electric charge.
• device the changes voltage.

This is an example of a ______ circuit

• Series
• Parallel
• Open
• Dihexihedral

This is an example of a _______ circuit

• open
• series
• parallel
• square

What type of circuit is this?

• Parallel Circuit
• Series Circuit 
• Open Circuit 
• Transverse Circuit

What kind of circuit is this?

• series
• parallel

Material that resist the flow of electricity or heat is an _______.

• electron
• insulator
• conductor

Material that allows the flow of electricity or heat is a _______.

• conductor
• Insulator
• hybrid